<script type="text/javascript">

var str="Welcome to Microsoft! "
str=str + "We are proud to announce that Microsoft has "
str=str + "one of the largest Web Developers sites in the world."

console.log(str.replace(/Microsoft/g, "W3School"))
</script>

<style>
p {
	position: relative; /*脱离文档流*/
    top: 50%; /*偏移*/
	font-size: 10px !important;
}
</style>

<p style="font-size: 36px; text-align: center; align: center;">Hello Slagga.</p>